//
// Copyright (c) 2021-2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

extern "C" __global__ void testKernel( int* __restrict__ a )
{
	int tid = threadIdx.x;
	atomicAdd(a, tid);
}

// function pointer test

typedef int ( *FuncPointer )( const int idx );

__device__ int testFunc( const int idx )
{
	if( idx == 0 )
		return 7;
	return 0;
}

__device__ FuncPointer gFuncPointer = testFunc;

extern "C" __global__ void testFuncPointerKernel( int* __restrict__ a, FuncPointer* gPointers )
{
	int b = gPointers[0]( threadIdx.x );
	atomicAdd( a, b );
}

extern "C" __global__ void streamData(float *ptr, const size_t n, 
                              float* output, const float val) 
{ 
  size_t idx = blockIdx.x *blockDim.x + threadIdx.x; 
  float accum = 0.0f; 

  for(; idx < n; idx += 1) 
  {
  		accum += ptr[idx]; 
  }
   output[threadIdx.x] = accum; 
}